A liquid-crystalline bistable [2]rotaxane

Ivan Aprahamian, Takuma Yasuda, Taichi Ikeda, Sourav Saha, William R. Dichtel, Kyosuke Isoda, Takashi Kato, J. Fraser Stoddart

Research output: Contribution to journalArticlepeer-review

154 Citations (Scopus)


Entering a new phase: Mesogenic stoppers (purple) at the ends of the rod section of a switchable donor-acceptor [2]rotaxane induce the formation of a smectic A liquid-crystalline (LC) phase over a wide temperature range. The bistable [2]rotaxane which contains a tetracationic cyclophane (blue), a tetrathiafulvalene unit (green), and a 1,5-dioxynaphthalene unit (red) self-assembles into a LC phase with a layer spacing of about 8 nm (see picture). (Figure Presented).

Original languageEnglish
Pages (from-to)4675-4679
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number25
Publication statusPublished - 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)


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